diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2019-11-15 10:30:50 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-11-15 10:30:50 +0100 |
| commit | ac94be498f84f7327533b62faca4c3da64434904 (patch) | |
| tree | 63893f37afb67cd400bf60ec16a35440d16f2a90 /arch/x86/pci/mmconfig-shared.c | |
| parent | dce7cd62754b5d4a6e401b8b0769ec94cf971041 (diff) | |
| parent | 8c5bd25bf42effd194d4b0b43895c42b374e620b (diff) | |
Merge branch 'linus' into x86/hyperv
Pick up upstream fixes to avoid conflicts.
Diffstat (limited to 'arch/x86/pci/mmconfig-shared.c')
| -rw-r--r-- | arch/x86/pci/mmconfig-shared.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 7389db538c30..6fa42e9c4e6f 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -29,6 +29,7 @@ static bool pci_mmcfg_running_state; static bool pci_mmcfg_arch_init_failed; static DEFINE_MUTEX(pci_mmcfg_lock); +#define pci_mmcfg_lock_held() lock_is_held(&(pci_mmcfg_lock).dep_map) LIST_HEAD(pci_mmcfg_list); @@ -54,7 +55,7 @@ static void list_add_sorted(struct pci_mmcfg_region *new) struct pci_mmcfg_region *cfg; /* keep list sorted by segment and starting bus number */ - list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list) { + list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list, pci_mmcfg_lock_held()) { if (cfg->segment > new->segment || (cfg->segment == new->segment && cfg->start_bus >= new->start_bus)) { @@ -118,7 +119,7 @@ struct pci_mmcfg_region *pci_mmconfig_lookup(int segment, int bus) { struct pci_mmcfg_region *cfg; - list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list) + list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list, pci_mmcfg_lock_held()) if (cfg->segment == segment && cfg->start_bus <= bus && bus <= cfg->end_bus) return cfg; |